The recommended land pattern for SD54-104KLC is a rectangular pad with a size of 2.5 mm x 1.5 mm, with a non-solder mask defined (NSMD) pad shape. This ensures proper soldering and minimizes the risk of solder bridging.
While the SD54-104KLC is rated for operation up to 125°C, it's essential to consider the derating curves provided in the datasheet. Above 85°C, the inductor's performance may degrade, and its reliability may be affected. It's recommended to consult with Coilcraft's application engineers for specific guidance on high-temperature applications.
To minimize the impact of mechanical stress, it's crucial to follow proper handling and mounting procedures. Avoid bending, flexing, or applying excessive force to the component. Use a pick-and-place machine or a vacuum pickup tool to handle the inductor, and ensure the PCB is properly supported during assembly.
The ESR of the SD54-104KLC is not explicitly stated in the datasheet. However, according to Coilcraft's application notes, the ESR can be estimated using the following formula: ESR = (DCR x f) / (Q x π), where DCR is the DC resistance, f is the frequency, and Q is the quality factor. For the SD54-104KLC, the DCR is approximately 0.12 ohms, and the Q is around 50 at 100 kHz.
While the SD54-104KLC is rated for a maximum current of 1.4 A, it's essential to consider the inductor's thermal performance and the PCB's current-carrying capacity. Exceeding the recommended current may lead to overheating, reduced lifespan, or even failure. Consult with Coilcraft's application engineers to determine the suitability of the SD54-104KLC for your specific high-current application.
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About COILCRAFT
Colicraft designs and manufactures high performing magnectic components, RF chip inductors, power magnectics, and filters. Coilcraft has engineering, manufacturing, and distribution facilities in North America, Asia, and Europe.
